What is array and its types?
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Can we use any class as map key?
What will be the output of below code?
What is the purpose of tochararray ()?
Can list contain null values?
Why hashmap is faster than hashtable?
Given an unsorted linked list, and without using a temporary buffer, write a method that will delete any duplicates from the linked list?
Can arraylist have duplicates?
How do I rearrange rows in numbers?
What is a node in it?
What is the purpose of sorting?
What is data and its type?
Why sorting is done?